public static void callback(Limbus.AudioStream audio_stream)
{
unsafe {
short* buffer = (short*)audio_stream.Buffer;
uint buffer_size = audio_stream.BufferSize;
for (uint i = 0; i < buffer_size * 2; i += 2)
{
double sample = System.Math.Sin(t / System.Math.PI / 2) * 0.25;
buffer[i] = (short)(((sample + 1) / 2) * ushort.MaxValue + short.MinValue);
buffer[i + 1] = buffer[i];
t += 1;
}
}
}
private void Apply(Limbus.Arduino.Settings settings, Limbus.Arduino.Driver arduino)
{
AddPinPair(settings.AnalogIn0, settings.AnalogOut9, arduino);
AddPinPair(settings.AnalogIn1, settings.AnalogOut10, arduino);
AddPinPair(settings.AnalogIn2, settings.AnalogOut11, arduino);
arduino.Connect(settings.SerialPort, settings.BaudRate);
var arduinoSettings = settings.ToJson()
.Replace(",", ",\n").Replace("{", "{\n").Replace("}","\n}");
txtArduinoSettings.Buffer.Text = arduinoSettings;
}
private void Apply(Limbus.Lab.Settings settings)
{
this.lblPoti1.Text = settings.Poti1;
this.lblPoti2.Text = settings.Poti2;
this.lblPoti3.Text = settings.Poti3;
this.lblPoti4.Text = settings.Poti4;
this.lblPoti5.Text = settings.Poti5;
this.vscalePoti1.Adjustment.Upper = settings.PotiMax;
this.vscalePoti1.Adjustment.Lower = settings.PotiMin;
this.vscalePoti2.Adjustment.Upper = settings.PotiMax;
this.vscalePoti2.Adjustment.Lower = settings.PotiMin;
this.vscalePoti3.Adjustment.Upper = settings.PotiMax;
this.vscalePoti3.Adjustment.Lower = settings.PotiMin;
this.vscalePoti4.Adjustment.Upper = settings.PotiMax;
this.vscalePoti4.Adjustment.Lower = settings.PotiMin;
this.vscalePoti5.Adjustment.Upper = settings.PotiMax;
this.vscalePoti5.Adjustment.Lower = settings.PotiMin;
vbxPlot.Remove(timePlotView);
timePlot = new TimePlot("Oscilloscope", settings.PlotWidth, settings.PlotHeight, DateTimeOffset.UtcNow);
timePlotView = new OxyPlot.GtkSharp.PlotView { Model = timePlot };
timePlotView.SetSizeRequest(1000, 200);
timePlotView.Visible = true;
this.SetSizeRequest(1000, 600);
vbxPlot.Add(timePlotView);
var labSettingsText = settings.ToJson()
.Replace(",", ",\n").Replace("{", "{\n").Replace("}","\n}");
txtLabSettings.Buffer.Text = labSettingsText;
}
private void AddPinPair(string inPin, string outPin, Limbus.Arduino.Driver arduino)
{
var name = inPin + outPin;
var pinPair = arduino.AddPinPair(inPin, outPin);
pinPair.Receive += (ts) => {
this.timePlot.AddActual(inPin, ts);
this.timePlot.InvalidatePlot(true);
};
pinPairs.Add(name, pinPair);
timePlot.AddActualLine(inPin);
timePlot.AddSetpointLine(outPin);
}
